A bacterial infection which is spread by inhaling small droplets from coughs and sneezes from an infected person.

Tuberculosis usually affects the lungs but can affect the tummy, bones, glands and the nervous system.

Also known as tuberous sclerosis complex this is a rare genetic condition which grows tumours – most being benign – across the body.

The condition starts from birth, although it may not be detected until later on in the childhood years. Around 1 in 6,000 babies are born with the illness.

Those living with the condition can suffer from kidney problems, hydrocephalus (build-up of fluid on the brain), breathing difficulties, epilepsy and skin abnormalities. They also go on to develop learning disabilities and behavioural problems.

A genetic disorder which affects 1 in every 2,000 baby girls.

Babies born with the condition only have one normal X sex chromosome instead of two.

Turner Syndrome usually stunts height and affects the ovaries leading to a lack of monthly periods and infertility.

Twin to twin transfusion syndrome (TTTS) is a condition where twins share unequal amounts of the blood supply from the placenta.

This means there are two foetuses growing at different rates.

If TTTS is left untreated during pregnancy there is a 90% risk the babies will not survive and a 15-50% risk the babies will develop some form of disability.